<!doctype html>
<html xmlns="http://www.w3.org/1999/xhtml">
  <head>
    <title>Opacity Test</title>
  </head>
  <body>
    <p>After 1 second, a red square and a red heart should appear</p>

    <script type="module" src="opacity.js"></script>
  </body>
</html>
